Template:BGDB Sexual Differentiation - Postnatal Interactive

Postnatal Interactive Component

Attempt the Quiz - Postnatal

Here are a few simple Quiz questions that relate to Postnatal development from the lecture and practical. precocious puberty 1 At about postnatally 2 months of age, in the male gonad primordial germ cells (gonocytes) are replaced by:   adult dark spermatogonia   adult pale spermatogonia   spermatogonial stem cells   primary spermatocytes 2 Precocious puberty, premature development of the signs of puberty, occurs at different ages for each sex. Which of the following about the ages of precocious puberty is not correct:   precocious puberty can occur in girls before age 7   precocious puberty can occur in girls before age 8   precocious puberty can occur in boys before age 9   precocious puberty can occur in boys before age 14 3 Puberty can occur over a broad range of time and differently for each sex. Which of the following are considered the normal age ranges for puberty.   girls - age 7 to 13   girls - age 9 to 15   boys - age 7 to 13   boys - age 9 to 15 4 Hypothalamic expression of gonadotropin releasing hormone (GnRH) is a known puberty trigger. Which of the following factors is thought to initiate the GnRH secretion?   kisspeptin   luteinizing hormone   thyroid hormone   anti-Müllerian hormone 5 Tanner Stages (tanner scale) are an anatomical staging system for measuring male/female sexual development at puberty. How many discrete stages are there in this scale?   3   4   5   6   none of the above Practical 12: Sex Determination | Early Embryo | Late Embryo | Fetal | Postnatal | Abnormalities | 2011 Audio Additional Information: neonatal | puberty | testis | ovary | menstrual cycle